Dorman 674-822 Catalytic Converter with Integrated Exhaust Manifold

Dorman 674-822 Catalytic Converter Manifold

Dorman 674-822 is a catalytic converter with integrated exhaust manifold for specific Ford Fusion and Mercury Milan applications. It is built as a direct replacement for the original manifold converter layout, with stainless steel construction and included gaskets and hardware for a service-ready repair.

Key Features

• Integrated catalytic converter and exhaust manifold design
• Stainless steel converter body for exhaust system durability
• Natural finish with a regular-grade replacement design
• Inlet gasket included for installation support
• Outlet mounting hardware included
• Round inlet port shape
• Three outlet mounting holes
• Not CARB certified

Vehicle Fitment

• Fits 2006-2009 Ford Fusion, N/A; w/Air Tube; w/3 Oxygen Sensor Ports; CARB Compliant: No
• Fits 2006-2009 Mercury Milan, N/A; w/Air Tube; w/3 Oxygen Sensor Ports; CARB Compliant: No

Detailed Description

This manifold converter is engineered to match original equipment dimensions and mounting points on select Ford Fusion and Mercury Milan models. The integrated design combines the exhaust manifold and catalytic converter into one assembly, helping restore proper exhaust routing and emissions system function on the listed applications. Dorman 674-822 is a practical OE-style replacement when the original manifold converter is cracked, restricted, or no longer sealing correctly.

This part cross-references Gates 24198 for the same application.

Common Repair Reasons

• Exhaust leak at the manifold or converter flange
• Cracked or damaged integrated manifold assembly
• Restricted exhaust flow from a failing converter
• Check engine light related to exhaust or catalyst efficiency faults
• Failed sealing surfaces at the inlet or outlet connection

Installation Notes and Tips

Verify the vehicle has an air tube and three oxygen sensor ports before ordering. Confirm the mounting pattern, inlet port shape, and outlet configuration against the original part on the vehicle. Replace worn gaskets during installation and inspect oxygen sensor threads, flange surfaces, and adjacent exhaust components for damage or corrosion.

Quality Assurance

Dorman manufactures this replacement manifold converter to match original equipment fit and function on the specified Ford Fusion and Mercury Milan applications. The stainless steel body and included installation components support a complete repair on the listed vehicles.